256909536

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:378

約数の個数: 192

約数和(自身を含む): 819201600

約数和(自身を除く): 562292064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 89, 96, 104, 108, 117, 144, 156, 178, 208, 216, 234, 257, 267, 288, 312, 351, 356, 416, 432, 468, 514, 534, 624, 702, 712, 771, 801, 864, 936, 1028, 1068, 1157, 1248, 1404, 1424, 1542, 1602, 1872, 2056, 2136, 2313, 2314, 2403, 2808, 2848, 3084, 3204, 3341, 3471, 3744, 4112, 4272, 4626, 4628, 4806, 5616, 6168, 6408, 6682, 6939, 6942, 8224, 8544, 9252, 9256, 9612, 10023, 10413, 11232, 12336, 12816, 13364, 13878, 13884, 18504, 18512, 19224, 20046, 20826, 22873, 24672, 25632, 26728, 27756, 27768, 30069, 31239, 37008, 37024, 38448, 40092, 41652, 45746, 53456, 55512, 55536, 60138, 62478, 68619, 74016, 76896, 80184, 83304, 90207, 91492, 106912, 111024, 111072, 120276, 124956, 137238, 160368, 166608, 180414, 182984, 205857, 222048, 240552, 249912, 274476, 297349, 320736, 333216, 360828, 365968, 411714, 481104, 499824, 548952, 594698, 617571, 721656, 731936, 823428, 892047, 962208, 999648, 1097904, 1189396, 1235142, 1443312, 1646856, 1784094, 2195808, 2378792, 2470284, 2676141, 2886624, 3293712, 3568188, 4757584, 4940568, 5352282, 6587424, 7136376, 8028423, 9515168, 9881136, 10704564, 14272752, 16056846, 19762272, 21409128, 28545504, 32113692, 42818256, 64227384, 85636512, 128454768, 256909536]

約数ペア:

[(1, 256909536), (2, 128454768), (3, 85636512), (4, 64227384), (6, 42818256), (8, 32113692), (9, 28545504), (12, 21409128), (13, 19762272), (16, 16056846), (18, 14272752), (24, 10704564), (26, 9881136), (27, 9515168), (32, 8028423), (36, 7136376), (39, 6587424), (48, 5352282), (52, 4940568), (54, 4757584), (72, 3568188), (78, 3293712), (89, 2886624), (96, 2676141), (104, 2470284), (108, 2378792), (117, 2195808), (144, 1784094), (156, 1646856), (178, 1443312), (208, 1235142), (216, 1189396), (234, 1097904), (257, 999648), (267, 962208), (288, 892047), (312, 823428), (351, 731936), (356, 721656), (416, 617571), (432, 594698), (468, 548952), (514, 499824), (534, 481104), (624, 411714), (702, 365968), (712, 360828), (771, 333216), (801, 320736), (864, 297349), (936, 274476), (1028, 249912), (1068, 240552), (1157, 222048), (1248, 205857), (1404, 182984), (1424, 180414), (1542, 166608), (1602, 160368), (1872, 137238), (2056, 124956), (2136, 120276), (2313, 111072), (2314, 111024), (2403, 106912), (2808, 91492), (2848, 90207), (3084, 83304), (3204, 80184), (3341, 76896), (3471, 74016), (3744, 68619), (4112, 62478), (4272, 60138), (4626, 55536), (4628, 55512), (4806, 53456), (5616, 45746), (6168, 41652), (6408, 40092), (6682, 38448), (6939, 37024), (6942, 37008), (8224, 31239), (8544, 30069), (9252, 27768), (9256, 27756), (9612, 26728), (10023, 25632), (10413, 24672), (11232, 22873), (12336, 20826), (12816, 20046), (13364, 19224), (13878, 18512), (13884, 18504)]